NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sat, Aug 15, 2026 at 5:34:22 am CDT

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Heat Advisory

Today

Sunday

Stay Safe From The Heat

WBGT Forecast

The Outlook Ahead

Hot weather is expected today with highs in the 90s to triple digits. Heat indices will range from 104-110 degrees. With these hot conditions, remember to stay hydrated and take breaks indoors to cool off.

Hot weather is expected on Sunday with highs in the 90s to triple digits. Heat indices will range from 101-107 degrees. With these hot conditions, remember to stay hydrated and take breaks indoors to cool off.

Practice HEAT SAFETY Wherever You Are. Heat related deaths are preventable. Protect yourself and others from the impacts of heat waves. Job Sites: Stay hydrated and take breaks in the shade as often as possible. Indoors: Check up on the elderly, sick and those without AC. Vehicles: Never leave kids or pets unattended - LOOK before you LOCK. Outdoors: Limit strenuous outdoor activities, find shade, and stay hydrated. weather.gov/heat

Afternoon WBGT values are forecasted to range from 83-91 through the weekend. Extreme values of 90 or more are possible in some locations between 1-4 pm.

Hot and humid conditions continue with high temperatures in the 90s to triple digits. Max Heat indices are expected to reach 102-111 degrees. While most areas will remain dry, there is a possibility of isolated to scattered showers and storms forming along the sea breeze each day. Please practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	04:55	Mostly Cloudy	10	80	77	90	S 8	-	30.12
College Station	04:53	Clear	10	79	76	90	S 8	-	30.10
Caldwell	04:55	Overcast	10	78	77	94	S 6	-	30.12
Huntsville	04:53	Clear	10	78	76	93	S 6	-	30.11
Navasota	04:55	Clear	10	78	78	100	SSE 6	-	30.09
Brenham	05:15	Clear	10	78	76	94	S 3	-	30.10
Conroe	05:12	Mist	1 3/4	75	75	100	CALM	-	30.11
Cleveland	05:15	Clear	7				CALM	-	30.12
Liberty	05:15	Mist	1	75	75	100	CALM	-	30.10
Columbus	05:15	Clear	7	77	76	98	CALM	-	30.12
Spring	04:53	Clear	7	78	77	96	CALM	-	30.10
Houston Intercontinental Aprt	04:53	Mostly Clear	10	82	79	90	S 3	92 [HI]	30.10
Katy/Brookshire	05:15	Clear	7	80	80	100	SSW 5	-	30.12
Texas Medical Center Heliport	04:55	Partly Cloudy	10	82	78	88	VRB 5	91 [HI]	30.10
Sugar Land	04:53	Clear	10	79	78	97	S 5	-	30.10
Houston Hobby Airport	04:53	Mostly Clear	9	80	78	93	SSW 5	-	30.10
Arcola/Sienna	04:55	Fog	1/2	77	75	93	CALM	-	30.11
Pearland	04:53	Clear	9	80	78	93	CALM	-	30.11
Ellington Field	04:54	Clear	10	80	78	94	SSW 3	-	30.09
La Porte	05:15	Clear	10	82	78	88	SSW 5	91 [HI]	30.11
Wharton	05:15	Partly Cloudy	7	78	76	95	CALM	-	30.11
Angleton/Lake Jackson	04:53	Clear	10	79	78	97	CALM	-	30.10
Galveston	04:52	Clear	10	84	78	82	S 9	95 [HI]	30.11
Bay City	05:15	Clear	8	78	78	100	SE 5	-	30.06
Palacios	04:53	Partly Cloudy	8	85	80	85	S 10	99 [HI]	30.08
Rig 20 Miles SE of Matagorda	05:20		9	84	82	94	S 12	100 [HI]	30.14

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